Comparison

The Chief Complaint vs Stroke Simulator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

The Chief Complaint

This emergency medicine guide offers an algorithmic approach to over 50 common complaints. It provides decision support, links to medical resources, and includes a drug guide and calculators. A clinical community forum is also available for collaboration.

Highlights
  • Algorithmic approach to common ER complaints
  • Clinical decision support algorithms
  • Links to medical resources (PubMed, EM:RAP, etc.)
  • Emergency medicine drug guide
  • Medical calculators and scores
  • ESCAVO Clinical Community forum
Features
Read full description

The Chief Complaint app now includes access the new ESCAVO Clinical Community, a forum where clinicians can exchange ideas, ask questions and collaborate on sepsis and other clinical topics. How would you like to walk into the ER confident that you knew what to do, no matter what comes through the door? The Chief Complaint app uses an algorithmic approach to over 50 of the most common complaints encountered in emergency medicine. Never feel lost or overwhelmed again, not knowing what the next step in the work-up is. Not sure what tests to order or if the patient can go home? The Chief Complaint helps you answer all those questions and more! - Algorithm based approach to the most common emergency medicine complaints - Based on the #1 bestselling emergency medicine clinical guide "The Chief Complaint" - Used by the residents of LA County + USC emergency medicine program, one of the top emergency medicine programs in the world - Color coded by organ system for easy navigation - Exhaustively referenced to the most important studies and articles in emergency medicine (over 400 citations!) with direct links to PubMed abstracts for easy access to original sources - Over 60 high resolution clinical management and decision support algorithms - Direct subject-specific links to EM:RAP, Essentials of Emergency Medicine and theNNT.com for further resources and deeper dives on all subjects - Journal club feature allows you to dive deeper into the evidence basis of your decisions - Peer reviewed by leading physicians in emergency medicine - Important medical calculators and scores commonly used in the ER - Emergency medicine drug guide easily accessible right from the content pages - All content, including treatment algorithms, is built-in, network access is only required for content updates - Automatic content updating keeps app's contents constantly up to date free of charge The Chief Complaint is an invaluable resource for doctors, residents, medical students, nurses and other healthcare professionals working in emergency medicine and other acute care settings. Please send your feedback, questions or bug reports to info@escavo.com, we'd love to hear from you! Reviews: "The Chief Complaint is simply indispensable, carry it with me every shift. Excellent algorithms, concise, practical, clinically relevant explanations citing the current best-evidence for management decisions; without doubt Chief Complaint it is THE pocket Emergency Medicine reference to have with you at the bedside." -Manuel Montano, MD, PGY-3, LAC+USC EM Residency "...is really top notch. I really like how it organizes complaints in a flow pattern type way. This has allowed me to quickly adjust my decision making and makes it actually useful when I feel super pressured at work. The further detail located later has been helpful to one, get some good initial learning in and two, look to the resources cited for more in depth discussion." -David Benaron, UCSD Resident "Chief complaint is AWESOME...I think every single intern in the country should have one of these...SO COOL!" -James Grieme, UCSD Resident "The aptly named Chief Complaint is simply excellent. I really like the way it is laid out by cc and it's concise enough to be useful on a regular basis. I take it with me to every shift and would highly recommend it to anyone looking for a streamlined, functional, real-time guide for working up patients in the ED" -Nick Aldridge, UCSD Resident "... really something totally new in the medical education world. This app does something many have tried to do but few have achieved, which is to create an orienteering guide to the med-ed landscape while launching your thought processes AT THE BEDSIDE when confronted with a new undifferentiated and undiagnosed patient." -William "Billy" Mallon MD, Foreword

About

Stroke Simulator

Features
Read full description

The Stroke Simulator helps trainees and residents and doctors involved in stroke care learn the various algorithms and reasoning that are used in stroke care by entering any imaginary data of their choice, and understanding if based on the hypothetical data they entered , the hypothetical care scenario would be one that qualifies for a specific stroke management option. This helps doctors train for real life situations by simulating scenarios they would eventually face. Of great value in this exercise is the fact that at the end you get a detailed explanation as to why criteria was not met, instead of merely giving a yes or no answer. This goes a long way in helping get a firm grasp on the scientific facts that you have to know clearly. The simulator does not accept any personal identifiers or any PHI in any manner.

Screenshots

The Chief Complaint4 screens
Stroke Simulator4 screens

Verdict

The call

The clearest difference is in-app purchases: The Chief Complaint at none against Stroke Simulator's 1. Stroke Simulator's advantage is update cadence (monthly vs every 9 months) and iOS requirement (8.0 vs 11.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stroke Simulator sells 1 one-off in-app purchase. The Chief Complaint asks for nothing beyond the download.

UpkeepUpdate frequency

The Chief Complaint ships an update every 9 months, Stroke Simulator monthly. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
The Chief Complaint versus Stroke Simulator: the parameters behind the verdict, then further details
ParameterThe Chief ComplaintStroke Simulator
PriceFreeFree
Rating4.8 (653 ratings) — better—
Positive reviews88.0% of reviews—
Number of ratings653 — better—
Update frequencyEvery 9 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.08.0 — better
Further details — not scored
Size157 MB102 MB
Age rating17+12+
DeveloperEscavo, IncIXI DESIGN LLC

Bugs and requests

The Chief Complaint

Reported bugs

1 issue
  • App crashes when deleting bookmarks

Requested features

3 requests
  • iPad landscape orientation support
  • Additional drug information in complaint categories
  • Expanded content for OB/GYN and toxicology sections

Stroke Simulator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

The Chief Complaint

No in-app purchases

1 purchases

Stroke Simulator

One-time1
  • Stroke Simulation Pro$18.99

Questions

Is The Chief Complaint free?
The Chief Complaint is free to download, with no in-app purchases.
Is Stroke Simulator free?
Stroke Simulator is free to download, with in-app purchases available.
Do The Chief Complaint or Stroke Simulator have ads?
Neither The Chief Complaint nor Stroke Simulator shows ads.
Which is updated more often, The Chief Complaint or Stroke Simulator?
The Chief Complaint ships an update every 9 months, and Stroke Simulator monthly. Most recently, The Chief Complaint was updated on October 20, 2026 and Stroke Simulator on October 12, 2026.

Other comparisons